.png){kind=icon}
Documentation for a data file that usually contains the question wording and responses codes for each variable.
Consists of editing, coding, data entry, and data cleaning.
Shows whether the association in a contingency table is statistically significant.
A cleaning technique that can be programmed for automatic detection in computer-assisted interviewing.
Indicates how much the dependent variable changes for every one-unit increase in the independent variable.
Replacing missing values in data analysis by estimating values from the available data.
The most commonly used statistical measure of variation.
The numerical difference between an observed value and the value predicted by the regression line.
Detecting and resolving errors in coding and data entry.
A graphic display of a univariate distribution.
The middle value in a distribution.
The value or category in a distribution with the highest frequency.